Home / 914,801.40-1,372,202.10-416,165.40

Finding the Fourth Proportional to 914,801.40, 1,372,202.10 and 416,165.40

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Solution

The fourth proportional to 914,801.40, 1,372,202.10 and 416,165.40 is: 624,248.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,801.40 : 1,372,202.10 = 416,165.40 : x
  2. Step 2: Convert to fraction form
    914,801.40/1,372,202.10 = 416,165.40/x
  3. Step 3: Cross multiply
    914,801.40x = 1,372,202.10 × 416,165.40
  4. Step 4: Simplify right side
    914,801.40x = 571,063,035,827.34
  5. Step 5: Solve for x
    x = 571,063,035,827.34/914,801.40
  6. Step 6: Final answer
    x = 624,248.10

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Half scale
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Double scale
Find fourth proportional to 914,802.40, 1,372,203.60 and 416,166.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.